WIP mojo typemaps for WTF time types

third_party/WebKit/Source/modules/vr/VRDisplay.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/vr/VRDisplay.h"
 
 #include "core/css/StylePropertySet.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/FrameRequestCallback.h"
 #include "core/dom/ScriptedAnimationController.h"
@@ skipping 752 matching lines @@
   // Trigger any callbacks on window.rAF manually so that they run after
   // completing the vrDisplay.rAF processing.
   if (is_presenting_ && !capabilities_->hasExternalDisplay()) {
     Platform::Current()->CurrentThread()->GetWebTaskRunner()->PostTask(
         BLINK_FROM_HERE, WTF::Bind(&VRDisplay::ProcessScheduledWindowAnimations,
                                    WrapWeakPersistent(this), timestamp));
   }
 }
 
 void VRDisplay::OnVSync(device::mojom::blink::VRPosePtr pose,
-                        mojo::common::mojom::blink::TimeDeltaPtr time,
+                        WTF::TimeDelta time_delta,
                         int16_t frame_id,
                         device::mojom::blink::VRVSyncProvider::Status error) {
   DVLOG(2) << __FUNCTION__;
   v_sync_connection_failed_ = false;
   switch (error) {
     case device::mojom::blink::VRVSyncProvider::Status::SUCCESS:
       break;
     case device::mojom::blink::VRVSyncProvider::Status::CLOSING:
       return;
   }
   pending_vsync_ = false;
 
-  WTF::TimeDelta time_delta =
-      WTF::TimeDelta::FromMicroseconds(time->microseconds);
   // Ensure a consistent timebase with document rAF.
   if (timebase_ < 0) {
     timebase_ = WTF::MonotonicallyIncreasingTime() - time_delta.InSecondsF();
   }
 
   frame_pose_ = std::move(pose);
   vr_frame_id_ = frame_id;
 
   // Post a task to handle scheduled animations after the current
   // execution context finishes, so that we yield to non-mojo tasks in
@@ skipping 83 matching lines @@
   visitor->Trace(stage_parameters_);
   visitor->Trace(eye_parameters_left_);
   visitor->Trace(eye_parameters_right_);
   visitor->Trace(layer_);
   visitor->Trace(rendering_context_);
   visitor->Trace(scripted_animation_controller_);
   visitor->Trace(pending_present_resolvers_);
 }
 
 }  // namespace blink